Home / 155,511.40-233,513.15-118,113.70

Finding the Fourth Proportional to 155,511.40, 233,513.15 and 118,113.70

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Solution

The fourth proportional to 155,511.40, 233,513.15 and 118,113.70 is: 177,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,511.40 : 233,513.15 = 118,113.70 : x
  2. Step 2: Convert to fraction form
    155,511.40/233,513.15 = 118,113.70/x
  3. Step 3: Cross multiply
    155,511.40x = 233,513.15 × 118,113.70
  4. Step 4: Simplify right side
    155,511.40x = 27,581,102,145.16
  5. Step 5: Solve for x
    x = 27,581,102,145.16/155,511.40
  6. Step 6: Final answer
    x = 177,357.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.