Home / 157,458.68-236,116.95-45,113.18

Finding the Fourth Proportional to 157,458.68, 236,116.95 and 45,113.18

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Solution

The fourth proportional to 157,458.68, 236,116.95 and 45,113.18 is: 67,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,458.68 : 236,116.95 = 45,113.18 : x
  2. Step 2: Convert to fraction form
    157,458.68/236,116.95 = 45,113.18/x
  3. Step 3: Cross multiply
    157,458.68x = 236,116.95 × 45,113.18
  4. Step 4: Simplify right side
    157,458.68x = 10,651,985,907.60
  5. Step 5: Solve for x
    x = 10,651,985,907.60/157,458.68
  6. Step 6: Final answer
    x = 67,649.40

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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.