Home / 152,295.25-210,138.28-98,572.81

Finding the Fourth Proportional to 152,295.25, 210,138.28 and 98,572.81

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Solution

The fourth proportional to 152,295.25, 210,138.28 and 98,572.81 is: 136,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,295.25 : 210,138.28 = 98,572.81 : x
  2. Step 2: Convert to fraction form
    152,295.25/210,138.28 = 98,572.81/x
  3. Step 3: Cross multiply
    152,295.25x = 210,138.28 × 98,572.81
  4. Step 4: Simplify right side
    152,295.25x = 20,713,920,748.17
  5. Step 5: Solve for x
    x = 20,713,920,748.17/152,295.25
  6. Step 6: Final answer
    x = 136,011.60

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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.