Home / 145,811.95-218,804.05-61,566.67

Finding the Fourth Proportional to 145,811.95, 218,804.05 and 61,566.67

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Solution

The fourth proportional to 145,811.95, 218,804.05 and 61,566.67 is: 92,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,811.95 : 218,804.05 = 61,566.67 : x
  2. Step 2: Convert to fraction form
    145,811.95/218,804.05 = 61,566.67/x
  3. Step 3: Cross multiply
    145,811.95x = 218,804.05 × 61,566.67
  4. Step 4: Simplify right side
    145,811.95x = 13,471,035,514.39
  5. Step 5: Solve for x
    x = 13,471,035,514.39/145,811.95
  6. Step 6: Final answer
    x = 92,386.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.