Home / 142,925.80-197,224.68-79,263.40

Finding the Fourth Proportional to 142,925.80, 197,224.68 and 79,263.40

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Solution

The fourth proportional to 142,925.80, 197,224.68 and 79,263.40 is: 109,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,925.80 : 197,224.68 = 79,263.40 : x
  2. Step 2: Convert to fraction form
    142,925.80/197,224.68 = 79,263.40/x
  3. Step 3: Cross multiply
    142,925.80x = 197,224.68 × 79,263.40
  4. Step 4: Simplify right side
    142,925.80x = 15,632,698,700.71
  5. Step 5: Solve for x
    x = 15,632,698,700.71/142,925.80
  6. Step 6: Final answer
    x = 109,376.32

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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.