Home / 144,215.68-216,459.18-73,189.30

Finding the Fourth Proportional to 144,215.68, 216,459.18 and 73,189.30

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Solution

The fourth proportional to 144,215.68, 216,459.18 and 73,189.30 is: 109,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,215.68 : 216,459.18 = 73,189.30 : x
  2. Step 2: Convert to fraction form
    144,215.68/216,459.18 = 73,189.30/x
  3. Step 3: Cross multiply
    144,215.68x = 216,459.18 × 73,189.30
  4. Step 4: Simplify right side
    144,215.68x = 15,842,495,862.77
  5. Step 5: Solve for x
    x = 15,842,495,862.77/144,215.68
  6. Step 6: Final answer
    x = 109,852.80

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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.