Home / 103,913.48-143,400.51-56,166.83

Finding the Fourth Proportional to 103,913.48, 143,400.51 and 56,166.83

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Solution

The fourth proportional to 103,913.48, 143,400.51 and 56,166.83 is: 77,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,913.48 : 143,400.51 = 56,166.83 : x
  2. Step 2: Convert to fraction form
    103,913.48/143,400.51 = 56,166.83/x
  3. Step 3: Cross multiply
    103,913.48x = 143,400.51 × 56,166.83
  4. Step 4: Simplify right side
    103,913.48x = 8,054,351,350.08
  5. Step 5: Solve for x
    x = 8,054,351,350.08/103,913.48
  6. Step 6: Final answer
    x = 77,510.17

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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.