Home / 208,087.74-287,159.04-112,592.34

Finding the Fourth Proportional to 208,087.74, 287,159.04 and 112,592.34

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Solution

The fourth proportional to 208,087.74, 287,159.04 and 112,592.34 is: 155,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,087.74 : 287,159.04 = 112,592.34 : x
  2. Step 2: Convert to fraction form
    208,087.74/287,159.04 = 112,592.34/x
  3. Step 3: Cross multiply
    208,087.74x = 287,159.04 × 112,592.34
  4. Step 4: Simplify right side
    208,087.74x = 32,331,908,265.75
  5. Step 5: Solve for x
    x = 32,331,908,265.75/208,087.74
  6. Step 6: Final answer
    x = 155,376.32

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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.