Home / 210,220.04-315,142.49-77,069.19

Finding the Fourth Proportional to 210,220.04, 315,142.49 and 77,069.19

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Solution

The fourth proportional to 210,220.04, 315,142.49 and 77,069.19 is: 115,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,220.04 : 315,142.49 = 77,069.19 : x
  2. Step 2: Convert to fraction form
    210,220.04/315,142.49 = 77,069.19/x
  3. Step 3: Cross multiply
    210,220.04x = 315,142.49 × 77,069.19
  4. Step 4: Simplify right side
    210,220.04x = 24,287,776,053.54
  5. Step 5: Solve for x
    x = 24,287,776,053.54/210,220.04
  6. Step 6: Final answer
    x = 115,535.02

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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.