Home / 145,580.09-218,368.10-45,746.37

Finding the Fourth Proportional to 145,580.09, 218,368.10 and 45,746.37

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Solution

The fourth proportional to 145,580.09, 218,368.10 and 45,746.37 is: 68,618.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,580.09 : 218,368.10 = 45,746.37 : x
  2. Step 2: Convert to fraction form
    145,580.09/218,368.10 = 45,746.37/x
  3. Step 3: Cross multiply
    145,580.09x = 218,368.10 × 45,746.37
  4. Step 4: Simplify right side
    145,580.09x = 9,989,548,013.16
  5. Step 5: Solve for x
    x = 9,989,548,013.16/145,580.09
  6. Step 6: Final answer
    x = 68,618.92

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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.