Home / 144,501.60-216,752.40-120,007.20

Finding the Fourth Proportional to 144,501.60, 216,752.40 and 120,007.20

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Solution

The fourth proportional to 144,501.60, 216,752.40 and 120,007.20 is: 180,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,501.60 : 216,752.40 = 120,007.20 : x
  2. Step 2: Convert to fraction form
    144,501.60/216,752.40 = 120,007.20/x
  3. Step 3: Cross multiply
    144,501.60x = 216,752.40 × 120,007.20
  4. Step 4: Simplify right side
    144,501.60x = 26,011,848,617.28
  5. Step 5: Solve for x
    x = 26,011,848,617.28/144,501.60
  6. Step 6: Final answer
    x = 180,010.80

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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.