Home / 103,133.60-142,296.93-59,515.10

Finding the Fourth Proportional to 103,133.60, 142,296.93 and 59,515.10

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Solution

The fourth proportional to 103,133.60, 142,296.93 and 59,515.10 is: 82,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,133.60 : 142,296.93 = 59,515.10 : x
  2. Step 2: Convert to fraction form
    103,133.60/142,296.93 = 59,515.10/x
  3. Step 3: Cross multiply
    103,133.60x = 142,296.93 × 59,515.10
  4. Step 4: Simplify right side
    103,133.60x = 8,468,816,473.81
  5. Step 5: Solve for x
    x = 8,468,816,473.81/103,133.60
  6. Step 6: Final answer
    x = 82,115.01

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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.