Home / 162,123.08-223,726.13-90,509.77

Finding the Fourth Proportional to 162,123.08, 223,726.13 and 90,509.77

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Solution

The fourth proportional to 162,123.08, 223,726.13 and 90,509.77 is: 124,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,123.08 : 223,726.13 = 90,509.77 : x
  2. Step 2: Convert to fraction form
    162,123.08/223,726.13 = 90,509.77/x
  3. Step 3: Cross multiply
    162,123.08x = 223,726.13 × 90,509.77
  4. Step 4: Simplify right side
    162,123.08x = 20,249,399,450.66
  5. Step 5: Solve for x
    x = 20,249,399,450.66/162,123.08
  6. Step 6: Final answer
    x = 124,901.40

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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.