Home / 102,315.28-141,162.60-57,594.64

Finding the Fourth Proportional to 102,315.28, 141,162.60 and 57,594.64

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Solution

The fourth proportional to 102,315.28, 141,162.60 and 57,594.64 is: 79,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,315.28 : 141,162.60 = 57,594.64 : x
  2. Step 2: Convert to fraction form
    102,315.28/141,162.60 = 57,594.64/x
  3. Step 3: Cross multiply
    102,315.28x = 141,162.60 × 57,594.64
  4. Step 4: Simplify right side
    102,315.28x = 8,130,209,128.46
  5. Step 5: Solve for x
    x = 8,130,209,128.46/102,315.28
  6. Step 6: Final answer
    x = 79,462.32

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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.