Home / 109,419.21-151,001.15-64,126.17

Finding the Fourth Proportional to 109,419.21, 151,001.15 and 64,126.17

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Solution

The fourth proportional to 109,419.21, 151,001.15 and 64,126.17 is: 88,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,419.21 : 151,001.15 = 64,126.17 : x
  2. Step 2: Convert to fraction form
    109,419.21/151,001.15 = 64,126.17/x
  3. Step 3: Cross multiply
    109,419.21x = 151,001.15 × 64,126.17
  4. Step 4: Simplify right side
    109,419.21x = 9,683,125,094.46
  5. Step 5: Solve for x
    x = 9,683,125,094.46/109,419.21
  6. Step 6: Final answer
    x = 88,495.66

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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.