Home / 162,057.15-223,612.11-90,437.00

Finding the Fourth Proportional to 162,057.15, 223,612.11 and 90,437.00

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Solution

The fourth proportional to 162,057.15, 223,612.11 and 90,437.00 is: 124,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,057.15 : 223,612.11 = 90,437.00 : x
  2. Step 2: Convert to fraction form
    162,057.15/223,612.11 = 90,437.00/x
  3. Step 3: Cross multiply
    162,057.15x = 223,612.11 × 90,437.00
  4. Step 4: Simplify right side
    162,057.15x = 20,222,807,274.01
  5. Step 5: Solve for x
    x = 20,222,807,274.01/162,057.15
  6. Step 6: Final answer
    x = 124,788.12

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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.