Home / 142,711.16-214,199.58-72,642.92

Finding the Fourth Proportional to 142,711.16, 214,199.58 and 72,642.92

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Solution

The fourth proportional to 142,711.16, 214,199.58 and 72,642.92 is: 109,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,711.16 : 214,199.58 = 72,642.92 : x
  2. Step 2: Convert to fraction form
    142,711.16/214,199.58 = 72,642.92/x
  3. Step 3: Cross multiply
    142,711.16x = 214,199.58 × 72,642.92
  4. Step 4: Simplify right side
    142,711.16x = 15,560,082,953.97
  5. Step 5: Solve for x
    x = 15,560,082,953.97/142,711.16
  6. Step 6: Final answer
    x = 109,032.00

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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.