Home / 215,153.33-296,909.95-118,355.10

Finding the Fourth Proportional to 215,153.33, 296,909.95 and 118,355.10

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Solution

The fourth proportional to 215,153.33, 296,909.95 and 118,355.10 is: 163,329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,153.33 : 296,909.95 = 118,355.10 : x
  2. Step 2: Convert to fraction form
    215,153.33/296,909.95 = 118,355.10/x
  3. Step 3: Cross multiply
    215,153.33x = 296,909.95 × 118,355.10
  4. Step 4: Simplify right side
    215,153.33x = 35,140,806,823.25
  5. Step 5: Solve for x
    x = 35,140,806,823.25/215,153.33
  6. Step 6: Final answer
    x = 163,329.13

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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.