Home / 153,678.01-212,096.46-90,041.17

Finding the Fourth Proportional to 153,678.01, 212,096.46 and 90,041.17

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Solution

The fourth proportional to 153,678.01, 212,096.46 and 90,041.17 is: 124,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,678.01 : 212,096.46 = 90,041.17 : x
  2. Step 2: Convert to fraction form
    153,678.01/212,096.46 = 90,041.17/x
  3. Step 3: Cross multiply
    153,678.01x = 212,096.46 × 90,041.17
  4. Step 4: Simplify right side
    153,678.01x = 19,097,413,411.26
  5. Step 5: Solve for x
    x = 19,097,413,411.26/153,678.01
  6. Step 6: Final answer
    x = 124,269.01

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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.