Home / 113,444.28-169,999.02-100,988.10

Finding the Fourth Proportional to 113,444.28, 169,999.02 and 100,988.10

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Solution

The fourth proportional to 113,444.28, 169,999.02 and 100,988.10 is: 151,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,444.28 : 169,999.02 = 100,988.10 : x
  2. Step 2: Convert to fraction form
    113,444.28/169,999.02 = 100,988.10/x
  3. Step 3: Cross multiply
    113,444.28x = 169,999.02 × 100,988.10
  4. Step 4: Simplify right side
    113,444.28x = 17,167,878,031.66
  5. Step 5: Solve for x
    x = 17,167,878,031.66/113,444.28
  6. Step 6: Final answer
    x = 151,333.13

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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.