Home / 145,810.26-201,109.50-129,477.24

Finding the Fourth Proportional to 145,810.26, 201,109.50 and 129,477.24

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Solution

The fourth proportional to 145,810.26, 201,109.50 and 129,477.24 is: 178,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,810.26 : 201,109.50 = 129,477.24 : x
  2. Step 2: Convert to fraction form
    145,810.26/201,109.50 = 129,477.24/x
  3. Step 3: Cross multiply
    145,810.26x = 201,109.50 × 129,477.24
  4. Step 4: Simplify right side
    145,810.26x = 26,039,102,997.78
  5. Step 5: Solve for x
    x = 26,039,102,997.78/145,810.26
  6. Step 6: Final answer
    x = 178,582.10

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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.