Home / 103,557.48-142,898.95-58,228.26

Finding the Fourth Proportional to 103,557.48, 142,898.95 and 58,228.26

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Solution

The fourth proportional to 103,557.48, 142,898.95 and 58,228.26 is: 80,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,557.48 : 142,898.95 = 58,228.26 : x
  2. Step 2: Convert to fraction form
    103,557.48/142,898.95 = 58,228.26/x
  3. Step 3: Cross multiply
    103,557.48x = 142,898.95 × 58,228.26
  4. Step 4: Simplify right side
    103,557.48x = 8,320,757,214.33
  5. Step 5: Solve for x
    x = 8,320,757,214.33/103,557.48
  6. Step 6: Final answer
    x = 80,349.17

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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.