Home / 145,430.04-200,626.10-85,003.24

Finding the Fourth Proportional to 145,430.04, 200,626.10 and 85,003.24

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Solution

The fourth proportional to 145,430.04, 200,626.10 and 85,003.24 is: 117,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,430.04 : 200,626.10 = 85,003.24 : x
  2. Step 2: Convert to fraction form
    145,430.04/200,626.10 = 85,003.24/x
  3. Step 3: Cross multiply
    145,430.04x = 200,626.10 × 85,003.24
  4. Step 4: Simplify right side
    145,430.04x = 17,053,868,528.56
  5. Step 5: Solve for x
    x = 17,053,868,528.56/145,430.04
  6. Step 6: Final answer
    x = 117,265.10

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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.