Home / 157,009.04-216,667.84-89,032.20

Finding the Fourth Proportional to 157,009.04, 216,667.84 and 89,032.20

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Solution

The fourth proportional to 157,009.04, 216,667.84 and 89,032.20 is: 122,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,009.04 : 216,667.84 = 89,032.20 : x
  2. Step 2: Convert to fraction form
    157,009.04/216,667.84 = 89,032.20/x
  3. Step 3: Cross multiply
    157,009.04x = 216,667.84 × 89,032.20
  4. Step 4: Simplify right side
    157,009.04x = 19,290,414,464.45
  5. Step 5: Solve for x
    x = 19,290,414,464.45/157,009.04
  6. Step 6: Final answer
    x = 122,861.81

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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.