Home / 316,070.86-474,106.74-129,082.36

Finding the Fourth Proportional to 316,070.86, 474,106.74 and 129,082.36

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Solution

The fourth proportional to 316,070.86, 474,106.74 and 129,082.36 is: 193,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,070.86 : 474,106.74 = 129,082.36 : x
  2. Step 2: Convert to fraction form
    316,070.86/474,106.74 = 129,082.36/x
  3. Step 3: Cross multiply
    316,070.86x = 474,106.74 × 129,082.36
  4. Step 4: Simplify right side
    316,070.86x = 61,198,817,199.86
  5. Step 5: Solve for x
    x = 61,198,817,199.86/316,070.86
  6. Step 6: Final answer
    x = 193,623.73

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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.