Home / 163,653.08-245,182.98-74,980.76

Finding the Fourth Proportional to 163,653.08, 245,182.98 and 74,980.76

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Solution

The fourth proportional to 163,653.08, 245,182.98 and 74,980.76 is: 112,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,653.08 : 245,182.98 = 74,980.76 : x
  2. Step 2: Convert to fraction form
    163,653.08/245,182.98 = 74,980.76/x
  3. Step 3: Cross multiply
    163,653.08x = 245,182.98 × 74,980.76
  4. Step 4: Simplify right side
    163,653.08x = 18,384,006,179.46
  5. Step 5: Solve for x
    x = 18,384,006,179.46/163,653.08
  6. Step 6: Final answer
    x = 112,335.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.