Home / 118,424.34-163,420.74-64,711.17

Finding the Fourth Proportional to 118,424.34, 163,420.74 and 64,711.17

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Solution

The fourth proportional to 118,424.34, 163,420.74 and 64,711.17 is: 89,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,424.34 : 163,420.74 = 64,711.17 : x
  2. Step 2: Convert to fraction form
    118,424.34/163,420.74 = 64,711.17/x
  3. Step 3: Cross multiply
    118,424.34x = 163,420.74 × 64,711.17
  4. Step 4: Simplify right side
    118,424.34x = 10,575,147,287.67
  5. Step 5: Solve for x
    x = 10,575,147,287.67/118,424.34
  6. Step 6: Final answer
    x = 89,298.76

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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.