Home / 105,337.02-145,365.08-57,590.36

Finding the Fourth Proportional to 105,337.02, 145,365.08 and 57,590.36

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Solution

The fourth proportional to 105,337.02, 145,365.08 and 57,590.36 is: 79,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,337.02 : 145,365.08 = 57,590.36 : x
  2. Step 2: Convert to fraction form
    105,337.02/145,365.08 = 57,590.36/x
  3. Step 3: Cross multiply
    105,337.02x = 145,365.08 × 57,590.36
  4. Step 4: Simplify right side
    105,337.02x = 8,371,627,288.63
  5. Step 5: Solve for x
    x = 8,371,627,288.63/105,337.02
  6. Step 6: Final answer
    x = 79,474.69

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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.