Home / 163,298.34-245,016.98-79,121.22

Finding the Fourth Proportional to 163,298.34, 245,016.98 and 79,121.22

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Solution

The fourth proportional to 163,298.34, 245,016.98 and 79,121.22 is: 118,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,298.34 : 245,016.98 = 79,121.22 : x
  2. Step 2: Convert to fraction form
    163,298.34/245,016.98 = 79,121.22/x
  3. Step 3: Cross multiply
    163,298.34x = 245,016.98 × 79,121.22
  4. Step 4: Simplify right side
    163,298.34x = 19,386,042,378.32
  5. Step 5: Solve for x
    x = 19,386,042,378.32/163,298.34
  6. Step 6: Final answer
    x = 118,715.49

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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.