Home / 144,582.34-216,918.87-86,945.92

Finding the Fourth Proportional to 144,582.34, 216,918.87 and 86,945.92

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Solution

The fourth proportional to 144,582.34, 216,918.87 and 86,945.92 is: 130,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,582.34 : 216,918.87 = 86,945.92 : x
  2. Step 2: Convert to fraction form
    144,582.34/216,918.87 = 86,945.92/x
  3. Step 3: Cross multiply
    144,582.34x = 216,918.87 × 86,945.92
  4. Step 4: Simplify right side
    144,582.34x = 18,860,210,501.26
  5. Step 5: Solve for x
    x = 18,860,210,501.26/144,582.34
  6. Step 6: Final answer
    x = 130,446.16

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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.