Home / 144,056.80-216,085.20-88,069.60

Finding the Fourth Proportional to 144,056.80, 216,085.20 and 88,069.60

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Solution

The fourth proportional to 144,056.80, 216,085.20 and 88,069.60 is: 132,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,056.80 : 216,085.20 = 88,069.60 : x
  2. Step 2: Convert to fraction form
    144,056.80/216,085.20 = 88,069.60/x
  3. Step 3: Cross multiply
    144,056.80x = 216,085.20 × 88,069.60
  4. Step 4: Simplify right side
    144,056.80x = 19,030,537,129.92
  5. Step 5: Solve for x
    x = 19,030,537,129.92/144,056.80
  6. Step 6: Final answer
    x = 132,104.40

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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.