Home / 245,587.02-368,521.74-103,421.09

Finding the Fourth Proportional to 245,587.02, 368,521.74 and 103,421.09

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Solution

The fourth proportional to 245,587.02, 368,521.74 and 103,421.09 is: 155,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,587.02 : 368,521.74 = 103,421.09 : x
  2. Step 2: Convert to fraction form
    245,587.02/368,521.74 = 103,421.09/x
  3. Step 3: Cross multiply
    245,587.02x = 368,521.74 × 103,421.09
  4. Step 4: Simplify right side
    245,587.02x = 38,112,920,039.50
  5. Step 5: Solve for x
    x = 38,112,920,039.50/245,587.02
  6. Step 6: Final answer
    x = 155,191.10

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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.