Home / 147,484.61-203,522.23-90,220.07

Finding the Fourth Proportional to 147,484.61, 203,522.23 and 90,220.07

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Solution

The fourth proportional to 147,484.61, 203,522.23 and 90,220.07 is: 124,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,484.61 : 203,522.23 = 90,220.07 : x
  2. Step 2: Convert to fraction form
    147,484.61/203,522.23 = 90,220.07/x
  3. Step 3: Cross multiply
    147,484.61x = 203,522.23 × 90,220.07
  4. Step 4: Simplify right side
    147,484.61x = 18,361,789,837.16
  5. Step 5: Solve for x
    x = 18,361,789,837.16/147,484.61
  6. Step 6: Final answer
    x = 124,499.70

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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.