Home / 158,466.42-218,586.51-129,436.97

Finding the Fourth Proportional to 158,466.42, 218,586.51 and 129,436.97

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Solution

The fourth proportional to 158,466.42, 218,586.51 and 129,436.97 is: 178,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,466.42 : 218,586.51 = 129,436.97 : x
  2. Step 2: Convert to fraction form
    158,466.42/218,586.51 = 129,436.97/x
  3. Step 3: Cross multiply
    158,466.42x = 218,586.51 × 129,436.97
  4. Step 4: Simplify right side
    158,466.42x = 28,293,174,444.34
  5. Step 5: Solve for x
    x = 28,293,174,444.34/158,466.42
  6. Step 6: Final answer
    x = 178,543.66

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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.