Home / 162,030.18-223,612.44-90,411.72

Finding the Fourth Proportional to 162,030.18, 223,612.44 and 90,411.72

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Solution

The fourth proportional to 162,030.18, 223,612.44 and 90,411.72 is: 124,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,030.18 : 223,612.44 = 90,411.72 : x
  2. Step 2: Convert to fraction form
    162,030.18/223,612.44 = 90,411.72/x
  3. Step 3: Cross multiply
    162,030.18x = 223,612.44 × 90,411.72
  4. Step 4: Simplify right side
    162,030.18x = 20,217,185,313.80
  5. Step 5: Solve for x
    x = 20,217,185,313.80/162,030.18
  6. Step 6: Final answer
    x = 124,774.20

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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.