Home / 98,702.55-136,211.09-56,260.17

Finding the Fourth Proportional to 98,702.55, 136,211.09 and 56,260.17

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Solution

The fourth proportional to 98,702.55, 136,211.09 and 56,260.17 is: 77,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,702.55 : 136,211.09 = 56,260.17 : x
  2. Step 2: Convert to fraction form
    98,702.55/136,211.09 = 56,260.17/x
  3. Step 3: Cross multiply
    98,702.55x = 136,211.09 × 56,260.17
  4. Step 4: Simplify right side
    98,702.55x = 7,663,258,797.98
  5. Step 5: Solve for x
    x = 7,663,258,797.98/98,702.55
  6. Step 6: Final answer
    x = 77,639.93

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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.