Home / 152,005.08-209,762.88-84,017.28

Finding the Fourth Proportional to 152,005.08, 209,762.88 and 84,017.28

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Solution

The fourth proportional to 152,005.08, 209,762.88 and 84,017.28 is: 115,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,005.08 : 209,762.88 = 84,017.28 : x
  2. Step 2: Convert to fraction form
    152,005.08/209,762.88 = 84,017.28/x
  3. Step 3: Cross multiply
    152,005.08x = 209,762.88 × 84,017.28
  4. Step 4: Simplify right side
    152,005.08x = 17,623,706,622.57
  5. Step 5: Solve for x
    x = 17,623,706,622.57/152,005.08
  6. Step 6: Final answer
    x = 115,941.56

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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.