Home / 132,528.69-182,875.93-78,803.33

Finding the Fourth Proportional to 132,528.69, 182,875.93 and 78,803.33

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Solution

The fourth proportional to 132,528.69, 182,875.93 and 78,803.33 is: 108,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,528.69 : 182,875.93 = 78,803.33 : x
  2. Step 2: Convert to fraction form
    132,528.69/182,875.93 = 78,803.33/x
  3. Step 3: Cross multiply
    132,528.69x = 182,875.93 × 78,803.33
  4. Step 4: Simplify right side
    132,528.69x = 14,411,232,260.85
  5. Step 5: Solve for x
    x = 14,411,232,260.85/132,528.69
  6. Step 6: Final answer
    x = 108,740.47

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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.