Home / 103,901.80-143,386.02-59,188.84

Finding the Fourth Proportional to 103,901.80, 143,386.02 and 59,188.84

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Solution

The fourth proportional to 103,901.80, 143,386.02 and 59,188.84 is: 81,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,901.80 : 143,386.02 = 59,188.84 : x
  2. Step 2: Convert to fraction form
    103,901.80/143,386.02 = 59,188.84/x
  3. Step 3: Cross multiply
    103,901.80x = 143,386.02 × 59,188.84
  4. Step 4: Simplify right side
    103,901.80x = 8,486,852,196.02
  5. Step 5: Solve for x
    x = 8,486,852,196.02/103,901.80
  6. Step 6: Final answer
    x = 81,681.47

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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.