Home / 162,151.80-223,773.06-90,528.36

Finding the Fourth Proportional to 162,151.80, 223,773.06 and 90,528.36

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Solution

The fourth proportional to 162,151.80, 223,773.06 and 90,528.36 is: 124,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,151.80 : 223,773.06 = 90,528.36 : x
  2. Step 2: Convert to fraction form
    162,151.80/223,773.06 = 90,528.36/x
  3. Step 3: Cross multiply
    162,151.80x = 223,773.06 × 90,528.36
  4. Step 4: Simplify right side
    162,151.80x = 20,257,808,133.98
  5. Step 5: Solve for x
    x = 20,257,808,133.98/162,151.80
  6. Step 6: Final answer
    x = 124,931.13

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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.