Home / 124,345.48-171,590.64-70,623.44

Finding the Fourth Proportional to 124,345.48, 171,590.64 and 70,623.44

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Solution

The fourth proportional to 124,345.48, 171,590.64 and 70,623.44 is: 97,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,345.48 : 171,590.64 = 70,623.44 : x
  2. Step 2: Convert to fraction form
    124,345.48/171,590.64 = 70,623.44/x
  3. Step 3: Cross multiply
    124,345.48x = 171,590.64 × 70,623.44
  4. Step 4: Simplify right side
    124,345.48x = 12,118,321,268.60
  5. Step 5: Solve for x
    x = 12,118,321,268.60/124,345.48
  6. Step 6: Final answer
    x = 97,456.87

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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.