Home / 145,973.61-201,511.40-85,535.87

Finding the Fourth Proportional to 145,973.61, 201,511.40 and 85,535.87

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Solution

The fourth proportional to 145,973.61, 201,511.40 and 85,535.87 is: 118,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,973.61 : 201,511.40 = 85,535.87 : x
  2. Step 2: Convert to fraction form
    145,973.61/201,511.40 = 85,535.87/x
  3. Step 3: Cross multiply
    145,973.61x = 201,511.40 × 85,535.87
  4. Step 4: Simplify right side
    145,973.61x = 17,236,451,478.68
  5. Step 5: Solve for x
    x = 17,236,451,478.68/145,973.61
  6. Step 6: Final answer
    x = 118,079.23

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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.