Home / 144,620.20-216,711.60-122,312.80

Finding the Fourth Proportional to 144,620.20, 216,711.60 and 122,312.80

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Solution

The fourth proportional to 144,620.20, 216,711.60 and 122,312.80 is: 183,284.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,620.20 : 216,711.60 = 122,312.80 : x
  2. Step 2: Convert to fraction form
    144,620.20/216,711.60 = 122,312.80/x
  3. Step 3: Cross multiply
    144,620.20x = 216,711.60 × 122,312.80
  4. Step 4: Simplify right side
    144,620.20x = 26,506,602,588.48
  5. Step 5: Solve for x
    x = 26,506,602,588.48/144,620.20
  6. Step 6: Final answer
    x = 183,284.23

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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.