Home / 155,317.04-214,285.98-126,587.30

Finding the Fourth Proportional to 155,317.04, 214,285.98 and 126,587.30

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Solution

The fourth proportional to 155,317.04, 214,285.98 and 126,587.30 is: 174,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,317.04 : 214,285.98 = 126,587.30 : x
  2. Step 2: Convert to fraction form
    155,317.04/214,285.98 = 126,587.30/x
  3. Step 3: Cross multiply
    155,317.04x = 214,285.98 × 126,587.30
  4. Step 4: Simplify right side
    155,317.04x = 27,125,883,636.05
  5. Step 5: Solve for x
    x = 27,125,883,636.05/155,317.04
  6. Step 6: Final answer
    x = 174,648.47

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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.