Home / 155,453.16-233,180.10-43,139.40

Finding the Fourth Proportional to 155,453.16, 233,180.10 and 43,139.40

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Solution

The fourth proportional to 155,453.16, 233,180.10 and 43,139.40 is: 64,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,453.16 : 233,180.10 = 43,139.40 : x
  2. Step 2: Convert to fraction form
    155,453.16/233,180.10 = 43,139.40/x
  3. Step 3: Cross multiply
    155,453.16x = 233,180.10 × 43,139.40
  4. Step 4: Simplify right side
    155,453.16x = 10,059,249,605.94
  5. Step 5: Solve for x
    x = 10,059,249,605.94/155,453.16
  6. Step 6: Final answer
    x = 64,709.20

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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.