Home / 104,095.17-143,651.34-56,348.91

Finding the Fourth Proportional to 104,095.17, 143,651.34 and 56,348.91

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Solution

The fourth proportional to 104,095.17, 143,651.34 and 56,348.91 is: 77,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,095.17 : 143,651.34 = 56,348.91 : x
  2. Step 2: Convert to fraction form
    104,095.17/143,651.34 = 56,348.91/x
  3. Step 3: Cross multiply
    104,095.17x = 143,651.34 × 56,348.91
  4. Step 4: Simplify right side
    104,095.17x = 8,094,596,429.04
  5. Step 5: Solve for x
    x = 8,094,596,429.04/104,095.17
  6. Step 6: Final answer
    x = 77,761.50

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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.