Home / 242,545.77-334,715.37-135,115.47

Finding the Fourth Proportional to 242,545.77, 334,715.37 and 135,115.47

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Solution

The fourth proportional to 242,545.77, 334,715.37 and 135,115.47 is: 186,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,545.77 : 334,715.37 = 135,115.47 : x
  2. Step 2: Convert to fraction form
    242,545.77/334,715.37 = 135,115.47/x
  3. Step 3: Cross multiply
    242,545.77x = 334,715.37 × 135,115.47
  4. Step 4: Simplify right side
    242,545.77x = 45,225,224,533.77
  5. Step 5: Solve for x
    x = 45,225,224,533.77/242,545.77
  6. Step 6: Final answer
    x = 186,460.58

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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.