Home / 152,289.28-210,156.15-84,306.25

Finding the Fourth Proportional to 152,289.28, 210,156.15 and 84,306.25

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Solution

The fourth proportional to 152,289.28, 210,156.15 and 84,306.25 is: 116,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,289.28 : 210,156.15 = 84,306.25 : x
  2. Step 2: Convert to fraction form
    152,289.28/210,156.15 = 84,306.25/x
  3. Step 3: Cross multiply
    152,289.28x = 210,156.15 × 84,306.25
  4. Step 4: Simplify right side
    152,289.28x = 17,717,476,920.94
  5. Step 5: Solve for x
    x = 17,717,476,920.94/152,289.28
  6. Step 6: Final answer
    x = 116,340.93

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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.