Home / 103,972.59-143,482.23-56,225.93

Finding the Fourth Proportional to 103,972.59, 143,482.23 and 56,225.93

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Solution

The fourth proportional to 103,972.59, 143,482.23 and 56,225.93 is: 77,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,972.59 : 143,482.23 = 56,225.93 : x
  2. Step 2: Convert to fraction form
    103,972.59/143,482.23 = 56,225.93/x
  3. Step 3: Cross multiply
    103,972.59x = 143,482.23 × 56,225.93
  4. Step 4: Simplify right side
    103,972.59x = 8,067,421,102.81
  5. Step 5: Solve for x
    x = 8,067,421,102.81/103,972.59
  6. Step 6: Final answer
    x = 77,591.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.