Home / 104,064.30-143,608.20-56,317.66

Finding the Fourth Proportional to 104,064.30, 143,608.20 and 56,317.66

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Solution

The fourth proportional to 104,064.30, 143,608.20 and 56,317.66 is: 77,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,064.30 : 143,608.20 = 56,317.66 : x
  2. Step 2: Convert to fraction form
    104,064.30/143,608.20 = 56,317.66/x
  3. Step 3: Cross multiply
    104,064.30x = 143,608.20 × 56,317.66
  4. Step 4: Simplify right side
    104,064.30x = 8,087,677,780.81
  5. Step 5: Solve for x
    x = 8,087,677,780.81/104,064.30
  6. Step 6: Final answer
    x = 77,718.08

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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.