Home / 158,010.72-218,069.31-90,036.93

Finding the Fourth Proportional to 158,010.72, 218,069.31 and 90,036.93

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Solution

The fourth proportional to 158,010.72, 218,069.31 and 90,036.93 is: 124,259.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,010.72 : 218,069.31 = 90,036.93 : x
  2. Step 2: Convert to fraction form
    158,010.72/218,069.31 = 90,036.93/x
  3. Step 3: Cross multiply
    158,010.72x = 218,069.31 × 90,036.93
  4. Step 4: Simplify right side
    158,010.72x = 19,634,291,199.62
  5. Step 5: Solve for x
    x = 19,634,291,199.62/158,010.72
  6. Step 6: Final answer
    x = 124,259.24

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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.