Home / 210,711.48-316,058.79-116,129.16

Finding the Fourth Proportional to 210,711.48, 316,058.79 and 116,129.16

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Solution

The fourth proportional to 210,711.48, 316,058.79 and 116,129.16 is: 174,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,711.48 : 316,058.79 = 116,129.16 : x
  2. Step 2: Convert to fraction form
    210,711.48/316,058.79 = 116,129.16/x
  3. Step 3: Cross multiply
    210,711.48x = 316,058.79 × 116,129.16
  4. Step 4: Simplify right side
    210,711.48x = 36,703,641,793.32
  5. Step 5: Solve for x
    x = 36,703,641,793.32/210,711.48
  6. Step 6: Final answer
    x = 174,189.09

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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.