Home / 102,417.19-141,344.12-56,485.82

Finding the Fourth Proportional to 102,417.19, 141,344.12 and 56,485.82

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Solution

The fourth proportional to 102,417.19, 141,344.12 and 56,485.82 is: 77,955.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,417.19 : 141,344.12 = 56,485.82 : x
  2. Step 2: Convert to fraction form
    102,417.19/141,344.12 = 56,485.82/x
  3. Step 3: Cross multiply
    102,417.19x = 141,344.12 × 56,485.82
  4. Step 4: Simplify right side
    102,417.19x = 7,983,939,014.95
  5. Step 5: Solve for x
    x = 7,983,939,014.95/102,417.19
  6. Step 6: Final answer
    x = 77,955.07

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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.