Home / 104,316.42-143,956.70-56,569.76

Finding the Fourth Proportional to 104,316.42, 143,956.70 and 56,569.76

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Solution

The fourth proportional to 104,316.42, 143,956.70 and 56,569.76 is: 78,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,316.42 : 143,956.70 = 56,569.76 : x
  2. Step 2: Convert to fraction form
    104,316.42/143,956.70 = 56,569.76/x
  3. Step 3: Cross multiply
    104,316.42x = 143,956.70 × 56,569.76
  4. Step 4: Simplify right side
    104,316.42x = 8,143,594,966.76
  5. Step 5: Solve for x
    x = 8,143,594,966.76/104,316.42
  6. Step 6: Final answer
    x = 78,066.28

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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.