Home / 272,841.81-376,525.70-158,128.93

Finding the Fourth Proportional to 272,841.81, 376,525.70 and 158,128.93

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Solution

The fourth proportional to 272,841.81, 376,525.70 and 158,128.93 is: 218,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,841.81 : 376,525.70 = 158,128.93 : x
  2. Step 2: Convert to fraction form
    272,841.81/376,525.70 = 158,128.93/x
  3. Step 3: Cross multiply
    272,841.81x = 376,525.70 × 158,128.93
  4. Step 4: Simplify right side
    272,841.81x = 59,539,605,267.86
  5. Step 5: Solve for x
    x = 59,539,605,267.86/272,841.81
  6. Step 6: Final answer
    x = 218,220.24

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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.