Home / 153,552.48-211,805.44-105,722.76

Finding the Fourth Proportional to 153,552.48, 211,805.44 and 105,722.76

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Solution

The fourth proportional to 153,552.48, 211,805.44 and 105,722.76 is: 145,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,552.48 : 211,805.44 = 105,722.76 : x
  2. Step 2: Convert to fraction form
    153,552.48/211,805.44 = 105,722.76/x
  3. Step 3: Cross multiply
    153,552.48x = 211,805.44 × 105,722.76
  4. Step 4: Simplify right side
    153,552.48x = 22,392,655,699.81
  5. Step 5: Solve for x
    x = 22,392,655,699.81/153,552.48
  6. Step 6: Final answer
    x = 145,830.64

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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.