Home / 142,925.17-214,342.77-51,728.80

Finding the Fourth Proportional to 142,925.17, 214,342.77 and 51,728.80

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Solution

The fourth proportional to 142,925.17, 214,342.77 and 51,728.80 is: 77,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,925.17 : 214,342.77 = 51,728.80 : x
  2. Step 2: Convert to fraction form
    142,925.17/214,342.77 = 51,728.80/x
  3. Step 3: Cross multiply
    142,925.17x = 214,342.77 × 51,728.80
  4. Step 4: Simplify right side
    142,925.17x = 11,087,693,209.06
  5. Step 5: Solve for x
    x = 11,087,693,209.06/142,925.17
  6. Step 6: Final answer
    x = 77,576.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.