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Finding the Fourth Proportional to 103,804.73, 143,250.52 and 56,058.08

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Solution

The fourth proportional to 103,804.73, 143,250.52 and 56,058.08 is: 77,360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,804.73 : 143,250.52 = 56,058.08 : x
  2. Step 2: Convert to fraction form
    103,804.73/143,250.52 = 56,058.08/x
  3. Step 3: Cross multiply
    103,804.73x = 143,250.52 × 56,058.08
  4. Step 4: Simplify right side
    103,804.73x = 8,030,348,950.12
  5. Step 5: Solve for x
    x = 8,030,348,950.12/103,804.73
  6. Step 6: Final answer
    x = 77,360.14

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1.5x scale

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.