Home / 155,312.63-232,974.11-42,983.45

Finding the Fourth Proportional to 155,312.63, 232,974.11 and 42,983.45

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Solution

The fourth proportional to 155,312.63, 232,974.11 and 42,983.45 is: 64,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,312.63 : 232,974.11 = 42,983.45 : x
  2. Step 2: Convert to fraction form
    155,312.63/232,974.11 = 42,983.45/x
  3. Step 3: Cross multiply
    155,312.63x = 232,974.11 × 42,983.45
  4. Step 4: Simplify right side
    155,312.63x = 10,014,031,008.48
  5. Step 5: Solve for x
    x = 10,014,031,008.48/155,312.63
  6. Step 6: Final answer
    x = 64,476.60

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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.