Home / 142,925.64-197,230.63-79,262.07

Finding the Fourth Proportional to 142,925.64, 197,230.63 and 79,262.07

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Solution

The fourth proportional to 142,925.64, 197,230.63 and 79,262.07 is: 109,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,925.64 : 197,230.63 = 79,262.07 : x
  2. Step 2: Convert to fraction form
    142,925.64/197,230.63 = 79,262.07/x
  3. Step 3: Cross multiply
    142,925.64x = 197,230.63 × 79,262.07
  4. Step 4: Simplify right side
    142,925.64x = 15,632,908,001.20
  5. Step 5: Solve for x
    x = 15,632,908,001.20/142,925.64
  6. Step 6: Final answer
    x = 109,377.91

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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.