Home / 144,005.40-216,008.10-98,904.60

Finding the Fourth Proportional to 144,005.40, 216,008.10 and 98,904.60

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Solution

The fourth proportional to 144,005.40, 216,008.10 and 98,904.60 is: 148,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,005.40 : 216,008.10 = 98,904.60 : x
  2. Step 2: Convert to fraction form
    144,005.40/216,008.10 = 98,904.60/x
  3. Step 3: Cross multiply
    144,005.40x = 216,008.10 × 98,904.60
  4. Step 4: Simplify right side
    144,005.40x = 21,364,194,727.26
  5. Step 5: Solve for x
    x = 21,364,194,727.26/144,005.40
  6. Step 6: Final answer
    x = 148,356.90

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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.