Home / 210,204.73-315,354.63-69,968.89

Finding the Fourth Proportional to 210,204.73, 315,354.63 and 69,968.89

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Solution

The fourth proportional to 210,204.73, 315,354.63 and 69,968.89 is: 104,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,204.73 : 315,354.63 = 69,968.89 : x
  2. Step 2: Convert to fraction form
    210,204.73/315,354.63 = 69,968.89/x
  3. Step 3: Cross multiply
    210,204.73x = 315,354.63 × 69,968.89
  4. Step 4: Simplify right side
    210,204.73x = 22,065,013,417.46
  5. Step 5: Solve for x
    x = 22,065,013,417.46/210,204.73
  6. Step 6: Final answer
    x = 104,969.16

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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.