Home / 130,957.01-196,440.38-42,211.79

Finding the Fourth Proportional to 130,957.01, 196,440.38 and 42,211.79

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Solution

The fourth proportional to 130,957.01, 196,440.38 and 42,211.79 is: 63,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,957.01 : 196,440.38 = 42,211.79 : x
  2. Step 2: Convert to fraction form
    130,957.01/196,440.38 = 42,211.79/x
  3. Step 3: Cross multiply
    130,957.01x = 196,440.38 × 42,211.79
  4. Step 4: Simplify right side
    130,957.01x = 8,292,098,874.82
  5. Step 5: Solve for x
    x = 8,292,098,874.82/130,957.01
  6. Step 6: Final answer
    x = 63,319.25

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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.