Home / 176,120.28-243,045.96-100,670.40

Finding the Fourth Proportional to 176,120.28, 243,045.96 and 100,670.40

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Solution

The fourth proportional to 176,120.28, 243,045.96 and 100,670.40 is: 138,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,120.28 : 243,045.96 = 100,670.40 : x
  2. Step 2: Convert to fraction form
    176,120.28/243,045.96 = 100,670.40/x
  3. Step 3: Cross multiply
    176,120.28x = 243,045.96 × 100,670.40
  4. Step 4: Simplify right side
    176,120.28x = 24,467,534,011.58
  5. Step 5: Solve for x
    x = 24,467,534,011.58/176,120.28
  6. Step 6: Final answer
    x = 138,925.14

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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.