Home / 152,320.30-210,187.42-84,334.79

Finding the Fourth Proportional to 152,320.30, 210,187.42 and 84,334.79

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Solution

The fourth proportional to 152,320.30, 210,187.42 and 84,334.79 is: 116,373.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,320.30 : 210,187.42 = 84,334.79 : x
  2. Step 2: Convert to fraction form
    152,320.30/210,187.42 = 84,334.79/x
  3. Step 3: Cross multiply
    152,320.30x = 210,187.42 × 84,334.79
  4. Step 4: Simplify right side
    152,320.30x = 17,726,110,875.40
  5. Step 5: Solve for x
    x = 17,726,110,875.40/152,320.30
  6. Step 6: Final answer
    x = 116,373.92

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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.