Home / 114,931.98-172,465.47-51,754.95

Finding the Fourth Proportional to 114,931.98, 172,465.47 and 51,754.95

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Solution

The fourth proportional to 114,931.98, 172,465.47 and 51,754.95 is: 77,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,931.98 : 172,465.47 = 51,754.95 : x
  2. Step 2: Convert to fraction form
    114,931.98/172,465.47 = 51,754.95/x
  3. Step 3: Cross multiply
    114,931.98x = 172,465.47 × 51,754.95
  4. Step 4: Simplify right side
    114,931.98x = 8,925,941,776.58
  5. Step 5: Solve for x
    x = 8,925,941,776.58/114,931.98
  6. Step 6: Final answer
    x = 77,662.82

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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.