Home / 180,155.45-248,587.89-102,631.79

Finding the Fourth Proportional to 180,155.45, 248,587.89 and 102,631.79

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Solution

The fourth proportional to 180,155.45, 248,587.89 and 102,631.79 is: 141,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,155.45 : 248,587.89 = 102,631.79 : x
  2. Step 2: Convert to fraction form
    180,155.45/248,587.89 = 102,631.79/x
  3. Step 3: Cross multiply
    180,155.45x = 248,587.89 × 102,631.79
  4. Step 4: Simplify right side
    180,155.45x = 25,513,020,123.02
  5. Step 5: Solve for x
    x = 25,513,020,123.02/180,155.45
  6. Step 6: Final answer
    x = 141,616.70

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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.