Home / 122,137.04-168,547.56-68,421.08

Finding the Fourth Proportional to 122,137.04, 168,547.56 and 68,421.08

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Solution

The fourth proportional to 122,137.04, 168,547.56 and 68,421.08 is: 94,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,137.04 : 168,547.56 = 68,421.08 : x
  2. Step 2: Convert to fraction form
    122,137.04/168,547.56 = 68,421.08/x
  3. Step 3: Cross multiply
    122,137.04x = 168,547.56 × 68,421.08
  4. Step 4: Simplify right side
    122,137.04x = 11,532,206,086.56
  5. Step 5: Solve for x
    x = 11,532,206,086.56/122,137.04
  6. Step 6: Final answer
    x = 94,420.22

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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.