Home / 145,510.02-200,689.98-94,539.12

Finding the Fourth Proportional to 145,510.02, 200,689.98 and 94,539.12

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Solution

The fourth proportional to 145,510.02, 200,689.98 and 94,539.12 is: 130,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,510.02 : 200,689.98 = 94,539.12 : x
  2. Step 2: Convert to fraction form
    145,510.02/200,689.98 = 94,539.12/x
  3. Step 3: Cross multiply
    145,510.02x = 200,689.98 × 94,539.12
  4. Step 4: Simplify right side
    145,510.02x = 18,973,054,102.02
  5. Step 5: Solve for x
    x = 18,973,054,102.02/145,510.02
  6. Step 6: Final answer
    x = 130,390.02

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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.