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Finding the Fourth Proportional to 145,841.26, 201,261.06 and 78,773.26

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Solution

The fourth proportional to 145,841.26, 201,261.06 and 78,773.26 is: 108,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,841.26 : 201,261.06 = 78,773.26 : x
  2. Step 2: Convert to fraction form
    145,841.26/201,261.06 = 78,773.26/x
  3. Step 3: Cross multiply
    145,841.26x = 201,261.06 × 78,773.26
  4. Step 4: Simplify right side
    145,841.26x = 15,853,989,807.26
  5. Step 5: Solve for x
    x = 15,853,989,807.26/145,841.26
  6. Step 6: Final answer
    x = 108,707.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.