Home / 103,158.93-154,782.15-56,357.13

Finding the Fourth Proportional to 103,158.93, 154,782.15 and 56,357.13

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Solution

The fourth proportional to 103,158.93, 154,782.15 and 56,357.13 is: 84,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,158.93 : 154,782.15 = 56,357.13 : x
  2. Step 2: Convert to fraction form
    103,158.93/154,782.15 = 56,357.13/x
  3. Step 3: Cross multiply
    103,158.93x = 154,782.15 × 56,357.13
  4. Step 4: Simplify right side
    103,158.93x = 8,723,077,749.23
  5. Step 5: Solve for x
    x = 8,723,077,749.23/103,158.93
  6. Step 6: Final answer
    x = 84,559.60

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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.