Home / 145,853.37-218,689.34-61,570.17

Finding the Fourth Proportional to 145,853.37, 218,689.34 and 61,570.17

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Solution

The fourth proportional to 145,853.37, 218,689.34 and 61,570.17 is: 92,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,853.37 : 218,689.34 = 61,570.17 : x
  2. Step 2: Convert to fraction form
    145,853.37/218,689.34 = 61,570.17/x
  3. Step 3: Cross multiply
    145,853.37x = 218,689.34 × 61,570.17
  4. Step 4: Simplify right side
    145,853.37x = 13,464,739,533.14
  5. Step 5: Solve for x
    x = 13,464,739,533.14/145,853.37
  6. Step 6: Final answer
    x = 92,316.96

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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.