Home / 145,989.22-201,465.29-85,547.83

Finding the Fourth Proportional to 145,989.22, 201,465.29 and 85,547.83

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Solution

The fourth proportional to 145,989.22, 201,465.29 and 85,547.83 is: 118,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,989.22 : 201,465.29 = 85,547.83 : x
  2. Step 2: Convert to fraction form
    145,989.22/201,465.29 = 85,547.83/x
  3. Step 3: Cross multiply
    145,989.22x = 201,465.29 × 85,547.83
  4. Step 4: Simplify right side
    145,989.22x = 17,234,918,379.82
  5. Step 5: Solve for x
    x = 17,234,918,379.82/145,989.22
  6. Step 6: Final answer
    x = 118,056.10

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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.