Home / 103,533.04-142,686.12-75,189.52

Finding the Fourth Proportional to 103,533.04, 142,686.12 and 75,189.52

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Solution

The fourth proportional to 103,533.04, 142,686.12 and 75,189.52 is: 103,623.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,533.04 : 142,686.12 = 75,189.52 : x
  2. Step 2: Convert to fraction form
    103,533.04/142,686.12 = 75,189.52/x
  3. Step 3: Cross multiply
    103,533.04x = 142,686.12 × 75,189.52
  4. Step 4: Simplify right side
    103,533.04x = 10,728,500,873.46
  5. Step 5: Solve for x
    x = 10,728,500,873.46/103,533.04
  6. Step 6: Final answer
    x = 103,623.93

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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.