Home / 121,156.90-181,756.14-46,283.74

Finding the Fourth Proportional to 121,156.90, 181,756.14 and 46,283.74

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Solution

The fourth proportional to 121,156.90, 181,756.14 and 46,283.74 is: 69,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,156.90 : 181,756.14 = 46,283.74 : x
  2. Step 2: Convert to fraction form
    121,156.90/181,756.14 = 46,283.74/x
  3. Step 3: Cross multiply
    121,156.90x = 181,756.14 × 46,283.74
  4. Step 4: Simplify right side
    121,156.90x = 8,412,353,927.16
  5. Step 5: Solve for x
    x = 8,412,353,927.16/121,156.90
  6. Step 6: Final answer
    x = 69,433.55

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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.