Home / 208,331.55-287,497.98-112,838.25

Finding the Fourth Proportional to 208,331.55, 287,497.98 and 112,838.25

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Solution

The fourth proportional to 208,331.55, 287,497.98 and 112,838.25 is: 155,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,331.55 : 287,497.98 = 112,838.25 : x
  2. Step 2: Convert to fraction form
    208,331.55/287,497.98 = 112,838.25/x
  3. Step 3: Cross multiply
    208,331.55x = 287,497.98 × 112,838.25
  4. Step 4: Simplify right side
    208,331.55x = 32,440,768,941.74
  5. Step 5: Solve for x
    x = 32,440,768,941.74/208,331.55
  6. Step 6: Final answer
    x = 155,717.02

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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.