Home / 210,657.60-316,205.04-122,084.16

Finding the Fourth Proportional to 210,657.60, 316,205.04 and 122,084.16

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Solution

The fourth proportional to 210,657.60, 316,205.04 and 122,084.16 is: 183,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,657.60 : 316,205.04 = 122,084.16 : x
  2. Step 2: Convert to fraction form
    210,657.60/316,205.04 = 122,084.16/x
  3. Step 3: Cross multiply
    210,657.60x = 316,205.04 × 122,084.16
  4. Step 4: Simplify right side
    210,657.60x = 38,603,626,696.17
  5. Step 5: Solve for x
    x = 38,603,626,696.17/210,657.60
  6. Step 6: Final answer
    x = 183,252.95

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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.