Home / 131,461.34-181,416.73-71,031.97

Finding the Fourth Proportional to 131,461.34, 181,416.73 and 71,031.97

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Solution

The fourth proportional to 131,461.34, 181,416.73 and 71,031.97 is: 98,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,461.34 : 181,416.73 = 71,031.97 : x
  2. Step 2: Convert to fraction form
    131,461.34/181,416.73 = 71,031.97/x
  3. Step 3: Cross multiply
    131,461.34x = 181,416.73 × 71,031.97
  4. Step 4: Simplify right side
    131,461.34x = 12,886,387,722.86
  5. Step 5: Solve for x
    x = 12,886,387,722.86/131,461.34
  6. Step 6: Final answer
    x = 98,024.16

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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.