Home / 123,580.90-170,547.32-69,868.18

Finding the Fourth Proportional to 123,580.90, 170,547.32 and 69,868.18

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Solution

The fourth proportional to 123,580.90, 170,547.32 and 69,868.18 is: 96,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,580.90 : 170,547.32 = 69,868.18 : x
  2. Step 2: Convert to fraction form
    123,580.90/170,547.32 = 69,868.18/x
  3. Step 3: Cross multiply
    123,580.90x = 170,547.32 × 69,868.18
  4. Step 4: Simplify right side
    123,580.90x = 11,915,830,852.28
  5. Step 5: Solve for x
    x = 11,915,830,852.28/123,580.90
  6. Step 6: Final answer
    x = 96,421.30

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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.