Home / 104,036.89-143,572.08-56,291.17

Finding the Fourth Proportional to 104,036.89, 143,572.08 and 56,291.17

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Solution

The fourth proportional to 104,036.89, 143,572.08 and 56,291.17 is: 77,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,036.89 : 143,572.08 = 56,291.17 : x
  2. Step 2: Convert to fraction form
    104,036.89/143,572.08 = 56,291.17/x
  3. Step 3: Cross multiply
    104,036.89x = 143,572.08 × 56,291.17
  4. Step 4: Simplify right side
    104,036.89x = 8,081,840,362.53
  5. Step 5: Solve for x
    x = 8,081,840,362.53/104,036.89
  6. Step 6: Final answer
    x = 77,682.45

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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.